Portable bearing checker



FIG. 1 is a front plan view of a first embodiment of a portable bearing checker.

FIG. 2 is a back plan view thereof.

FIG. 3 is a right side view thereof; and,

FIG. 4 is a top view thereof.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a portable bearing checker, as shown. 